$OpenBSD: patch-include_sound_h,v 1.3 2010/10/23 10:52:58 landry Exp $
--- include/sound.h.orig	Thu Sep  2 08:34:10 1999
+++ include/sound.h	Sat Oct 23 04:44:07 2010
@@ -212,17 +212,23 @@ struct SoundCacheBufferTag {
 
 
 /*
- *  FreeBSD
+ *  *BSD
  */
 
-#if defined(__FreeBSD__) && defined(USE_SOUND)
+#if (defined(__FreeBSD__) || defined(__OpenBSD__)) && defined(USE_SOUND)
 
-/* FreeBSD with SoundBlaster Pro */
+/* *BSD with SoundBlaster Pro */
 
 #include <sys/types.h>
 #include <sys/file.h>
 #include <sys/stat.h>
+#if defined(__FreeBSD__)
 #include <machine/soundcard.h>
+#endif
+#if defined(__OpenBSD__)
+#include <sys/ioctl.h>
+#include <sys/audioio.h>
+#endif
 
 #undef	O_RDWR
 #define	O_RDWR	O_WRONLY	/* audio $B%G%P%$%9$OF1;~%*!<%W%s$G$-$J$$!)(B */
@@ -235,7 +241,7 @@ struct SoundCacheBufferTag {
 #define	SoundCacheBuffer	struct SoundCacheBufferTag
 #define	AUDIO_DEVICE		"/dev/audio"
 
-#endif	/* FreeBSD */
+#endif	/* *BSD */
 
 
 #else	/* USE_NETAUDIO */
